Populations

Research Activities

Patuxent Wildlife Research Center scientists are currently conducting research
on a wide variety of scientific topics. To view and search Patuxent's projects
and other work by USGS staff, click on the following link: Research
Topics.

Long-Term Programs

Breeding
Bird Survey (BBS) – Monitoring the status of breeding bird populations
in the United States and Canada, in partnership with the Canadian Wildlife Service:
data, analyses, analytical software, information for participants